Mirka 8" Solid Medium PSA Backup Pad, 108 Mirka MR Series The DEROS II 550X has

The DEROS II 550X has a 5" backup pad and 5mm (3/16") oscillation

Packaged in a non-aerosol 22 fluid oz pump action bottle

cover any boat trailers with plastic as some metals can discolor when in contact

Multifunctional product used both within the marine

Excellent flexibility and water  resistance in all climatic conditions

Mirka 8" Solid Medium PSA Backup Pad, 108 Mirka MR Series The DEROS II 550X hasProduct Description: Mirka 8" Solid Medium Density PSA Backup Pad (108) features a 8" diameter size and 5 8" x 11 female thread attachment and medium density. For use with Mirka 8" polishers and grinders and 8" size PSA sticky back sanding discs. Max operating speed of 4,800 RPM Features and Benefits: 8" diameter size and 5 8" x 11 female thread attachment Medium density Use with 8" size PSA sticky back sanding discs Max operating speed of 4,800 RPM